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Geomagnetic storm on 4 Sep 1966 (G5)
Max Kp9-G5
Ap112No. 1 in 1966
Consecutive G1+ days2
Ap rank123since 1932
Kp by 3-hour slot (UTC)
9-
8+
7+
6o
6-
4o
3+
3o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Sep 1966 | 5o | 22 | G1 |
| 2 Sep 1966 | 4+ | 15 | – |
| 3 Sep 1966 | 9- | 92 | G5 |
| 4 Sep 1966 | 9- | 112 | G5 |
| 5 Sep 1966 | 4+ | 13 | – |
| 6 Sep 1966 | 5- | 24 | G1 |
| 7 Sep 1966 | 4- | 14 | – |
Highest-Ap days of 1966
112
92
82
78
67
64
48
48
42
42
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Max Kp 9-, Ap 112: No. 123 of 34,615 days since 1932 by Ap.